Harley-Davidson Formula + Transmission Oil (or equivalent API GL-4, SAE 50)
Primary Chain Case Oil:
Harley-Davidson Formula + Transmission Oil (or equivalent API GL-4, SAE 50)
Brake Fluid:
DOT 4 (for all hydraulic brakes)
Coolant:
N/A (Air-cooled engine)
Known Issues
Cam Chain Tensioner Wear:
Early Twin Cam 88 models are known for wear on the hydraulic cam chain tensioners, leading to potential engine damage. Later models and upgrades address this.
Regulator Rectifier Failure:
Common failure point in many Harley-Davidson models of this era, leading to charging system issues.
Primary Drive Bearing Issues:
Potential wear on the inner primary bearing can lead to noise and shifting problems.
📚 Vehicle History
Brand Heritage
Brand Origin:
Milwaukee, Wisconsin, USA, founded 1903
Brand Philosophy:
American V-twin motorcycles, freedom, customization, long-distance touring
Model Evolution
Electra Glide Lineage:
Evolved from early Shovelhead and Evolution Big Twin touring platforms
Road King Introduction:
Introduced in 1994 as a retro-styled touring bike with detachable windscreen
Twin Cam Introduction:
Twin Cam 88 introduced in 1999, Twin Cam 96 in 2007 (though 2006 models featured the 88B for certain displacements, the manual likely covers the transition or is geared towards the later 96 Twin Cam era for 2006)
Production
Factory Location:
York, Pennsylvania and Milwaukee, Wisconsin, USA
🏆 Awards & Recognition
Recognitions
Industry Recognition:
Consistently ranked among top touring motorcycles for comfort and reliability by motorcycle publications.
Ratings
Customer Satisfaction:
Generally high customer satisfaction for comfort, ride quality, and iconic style.
Certifications
Emissions Compliance:
Meets EPA and CARB emissions standards for the model year.
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